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Quantitative Aptitude

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Time & Distance

Question
29 out of 35
 

A boat goes 14 km upstream in 42 minute. The speed of stream is 4 km/h. The speed of boat still water is-



A 24 Km/h
B 25 Km/h
C 30 Km/h
D Cannot be determined
E None of these

Ans. A

Speed of the boat is upstream =

Speed of the stream = 4 km/h

Let the speed of the boat in still water is = x km/h

We have = x – 4 = 20

x = 24

Time & Distance Flashcard List

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